The quality of statistics data is very important.This paper researches the problem mainly from the error of the raw data.It is important that we can judge the error in the raw data if there is it and remove its influe...The quality of statistics data is very important.This paper researches the problem mainly from the error of the raw data.It is important that we can judge the error in the raw data if there is it and remove its influence.We can use the technique and the thinking of variance analysis,effect chart and interpenetrating sample.展开更多
文摘The quality of statistics data is very important.This paper researches the problem mainly from the error of the raw data.It is important that we can judge the error in the raw data if there is it and remove its influence.We can use the technique and the thinking of variance analysis,effect chart and interpenetrating sample.